From 957f4aca5fa0db69635271bc4621cc0b65b2d590 Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Wed, 6 Feb 2013 12:54:17 -0600 Subject: rtlwifi: rtl8192cu: Fix NULL dereference BUG when using new_id When the new_id entry in /sysfs is used for a foreign USB device, rtlwifi BUGS with a NULL pointer dereference because the per-driver configuration data is not available. The probe function has been restructured as suggested by Ben Hutchings . Signed-off-by: Larry Finger Cc: Stable Signed-off-by: John W. Linville --- drivers/net/wireless/rtlwifi/usb.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/rtlwifi/usb.c') diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index af5423cc5b0f..80730c72e0d6 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -937,7 +937,8 @@ static struct rtl_intf_ops rtl_usb_ops = { }; int rtl_usb_probe(struct usb_interface *intf, - const struct usb_device_id *id) + const struct usb_device_id *id, + struct rtl_hal_cfg *rtl_hal_cfg) { int err; struct ieee80211_hw *hw = NULL; @@ -972,7 +973,7 @@ int rtl_usb_probe(struct usb_interface *intf, usb_set_intfdata(intf, hw); /* init cfg & intf_ops */ rtlpriv->rtlhal.interface = INTF_USB; - rtlpriv->cfg = (struct rtl_hal_cfg *)(id->driver_info); + rtlpriv->cfg = rtl_hal_cfg; rtlpriv->intf_ops = &rtl_usb_ops; rtl_dbgp_flag_init(hw); /* Init IO handler */ -- cgit v1.2.3